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3px #4f6ef740}.player-avatar{font-size:clamp(26px,2.6vw,46px);width:clamp(42px,4vw,66px);height:clamp(42px,4vw,66px);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.player-info{flex:1;min-width:0}.player-name{font-size:clamp(16px,1.6vw,28px);font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.player-streak{font-size:clamp(12px,1.1vw,18px);min-height:1.2em}.streak-fire{color:#f97316;font-weight:600}.answer-mark{margin-left:6px}.player-score{font-size:clamp(28px,3vw,56px);font-weight:800;flex-shrink:0;font-variant-numeric:tabular-nums}.player-score-unit{font-size:.5em;font-weight:600;margin-left:2px}.pk-tug{flex:.8;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px}.pk-tug-track{width:100%;height:12px;border-radius:6px;background:linear-gradient(to right,#e5484d 50%,#3b82f6 50%);position:relative;overflow:hidden}.pk-tug-fill{height:100%;background:#fff;opacity:.9;position:absolute;right:0;top:0;transition:width .5s ease}.pk-qno{font-size:clamp(13px,1.2vw,20px);color:var(--muted);white-space:nowrap}.pk-question{text-align:center;padding:clamp(10px,1.8vh,22px) 4vw}.pk-qtype{display:inline-block;padding:3px 14px;border-radius:14px;font-size:clamp(13px,1.1vw,18px);margin-bottom:8px}.pk-qtype.choice{background:#e8efff;color:#3b66d4}.pk-qtype.multiple{background:#f3e8ff;color:#7a3bd4}.pk-qtype.matching{background:#e8f8ef;color:#1a9e4b}.pk-stem{font-size:clamp(20px,2.6vw,48px);font-weight:700;line-height:1.5}.pk-stem-hint{font-size:clamp(13px,1.2vw,20px);color:var(--muted);margin-top:6px}.pk-pads{flex:1;display:flex;gap:8px;padding:0 clamp(8px,1vw,20px) clamp(10px,1.6vh,24px);min-height:0}.pk-pad{flex:1;min-width:0}.answer-pad{height:100%;display:flex;flex-direction:column;gap:8px}.pad-title{display:flex;align-items:center;gap:10px;font-size:clamp(15px,1.4vw,24px);font-weight:700;padding:0 4px}.pad-result.ok{color:#22a55a}.pad-result.bad{color:#d4433f}.pad-grid{flex:1;display:grid;grid-template-columns:1fr 1fr;grid-auto-rows:1fr;gap:clamp(8px,1.2vw,18px)}.pk-option{border:3px solid var(--border);border-radius:16px;background:#fff;font-size:clamp(16px,1.7vw,32px);font-weight:600;cursor:pointer;display:flex;align-items:center;gap:12px;padding:8px 14px;text-align:left;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;transition:transform .08s,border-color .15s,background .15s}.pk-option:active{transform:scale(.97)}.pk-option.picked{border-color:var(--primary);background:#eef2ff}.pk-option.ok{border-color:#22a55a;background:#e8f8ef}.pk-option.bad{border-color:#d4433f;background:#fdeaea}.pk-opt-letter{flex-shrink:0;width:clamp(30px,2.6vw,46px);height:clamp(30px,2.6vw,46px);border-radius:50%;background:#eef1f6;display:inline-flex;align-items:center;justify-content:center;font-size:.8em}.pk-option.ok .pk-opt-letter{background:#b9ecd0}.pk-option.bad .pk-opt-letter{background:#f6c9c6}.pk-opt-text{flex:1;min-width:0;word-break:break-all}.pk-check{color:var(--primary);font-size:1.2em}.pk-submit{min-height:clamp(44px,5vh,64px);font-size:clamp(15px,1.4vw,24px);width:100%}.matching-pad{flex:1;display:flex;flex-direction:column;gap:8px;min-height:0}.matching-wrap{flex:1;position:relative;display:flex;gap:clamp(20px,4vw,80px);min-height:0}.matching-svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none}.matching-col{flex:1;display:flex;flex-direction:column;justify-content:space-around;gap:8px;position:relative;z-index:1}.matching-node{border:3px solid var(--border);border-radius:14px;background:#fff;font-size:clamp(15px,1.6vw,28px);font-weight:600;padding:clamp(10px,1.6vh,18px) 12px;cursor:pointer;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;transition:transform .08s,border-color .15s,background .15s}.matching-node:active{transform:scale(.97)}.matching-node.selected{border-color:var(--primary);background:#eef2ff;transform:scale(1.03)}.matching-node.linked{background:#fafbff}.matching-node.ok{border-color:#22a55a;background:#e8f8ef}.matching-node.bad{border-color:#d4433f;background:#fdeaea}.matching-node.dim{opacity:.45}.pk-reveal{position:absolute;left:50%;bottom:clamp(60px,8vh,110px);transform:translate(-50%);width:min(720px,70vw);background:#fffffff7;border:3px solid var(--primary);border-radius:18px;padding:clamp(12px,2vh,22px);text-align:center;box-shadow:0 8px 40px #1f2d5040;animation:pop-in .25s ease-out}@keyframes pop-in{0%{transform:translate(-50%) scale(.85);opacity:0}to{transform:translate(-50%) scale(1);opacity:1}}.pk-reveal-answer{font-size:clamp(17px,1.7vw,30px)}.pk-reveal-explain{font-size:clamp(14px,1.3vw,22px);color:#4a5568;margin-top:8px;line-height:1.6}.pk-reveal-ref{font-size:clamp(12px,1vw,17px);color:var(--muted);margin-top:6px}.pk-champion{display:flex;align-items:center;gap:16px}.pk-champion-avatar{font-size:clamp(40px,5vw,80px);animation:bounce .8s ease-in-out infinite alternate}@keyframes bounce{0%{transform:translateY(0)}to{transform:translateY(-14px)}}.pk-final-score{display:flex;align-items:center;gap:clamp(14px,2vw,36px);font-size:clamp(22px,2.4vw,44px);font-weight:800}.pk-final-vs{color:var(--muted);font-size:.7em}.pk-result-stats{display:flex;gap:clamp(16px,3vw,60px);font-size:clamp(16px,1.5vw,26px);color:#4a5568}.pk-announce{font-size:clamp(15px,1.3vw,22px);min-height:50px;padding:8px 24px}.pk-wrong-review{width:min(860px,88vw);background:#fff;border:2px solid var(--border);border-radius:16px;padding:clamp(12px,2vh,20px)}.pk-wrong-review h3{margin:0 0 10px;font-size:clamp(17px,1.6vw,26px)}.pk-wrong-item{border-bottom:1px solid var(--border)}.pk-wrong-item:last-child{border-bottom:none}.pk-wrong-head{display:flex;justify-content:space-between;gap:12px;padding:10px 6px;cursor:pointer;font-size:clamp(14px,1.3vw,21px)}.pk-wrong-head:hover{background:#f7f8fc}.pk-wrong-who{white-space:nowrap;font-size:.85em}.pk-wrong-body{padding:8px 6px 14px;font-size:clamp(13px,1.1vw,18px);color:#4a5568;line-height:1.7}.pk-wrong-answer{color:#22a55a;font-weight:700}.pk-wrong-ref{color:var(--muted);font-size:.85em}.pk-result-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}.pk-big-btn{font-size:clamp(16px,1.5vw,26px);min-height:58px;padding:12px 30px}